
module.exports = {
	check: function(idcard, sobj, bobj,naobj) {
		var Errors = new Array(
			"ok",
			"身份证号码位数不对!",
			"身份证号码出生日期超出范围或含有非法字符!",
			"身份证号码校验错误!",
			"身份证地区非法!"
		);
		var area = {
			11: "北京",
			12: "天津",
			13: "河北",
			14: "山西",
			15: "内蒙古",
			21: "辽宁",
			22: "吉林",
			23: "黑龙江",
			31: "上海",
			32: "江苏",
			33: "浙江",
			34: "安徽",
			35: "福建",
			36: "江西",
			37: "山东",
			41: "河南",
			42: "湖北",
			43: "湖南",
			44: "广东",
			45: "广西",
			46: "海南",
			50: "重庆",
			51: "四川",
			52: "贵州",
			53: "云南",
			54: "西藏",
			61: "陕西",
			62: "甘肃",
			63: "青海",
			64: "宁夏",
			65: "新疆",
			71: "台湾",
			81: "香港",
			82: "澳门",
			91: "国外"
		}
		var Y, JYM,ereg;
		var S, M;
		var idcard_array = new Array();
		idcard_array = idcard.split("");
		//地区检验   
		if (area[parseInt(idcard.substr(0, 2))] == null) return Errors[4];

		if (naobj) {
			var areacode = parseInt(idcard.substr(0, 6));
			var city = cardCity.find(function(item) {
				return item.id == areacode;
			})
			if (city) naobj.value = city.name;
		}
		//身份号码位数及格式检验   
		switch (idcard.length) {
			case 15:
				if ((parseInt(idcard.substr(6, 2)) + 1900) % 4 == 0 || ((parseInt(idcard.substr(6, 2)) + 1900) % 100 == 0 && (
						parseInt(idcard.substr(6, 2)) + 1900) % 4 == 0)) {
					ereg =
						/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$/; //测试出生日期的合法性   
				} else {
					ereg =
						/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$/; //测试出生日期的合法性   
				}
				if (ereg.test(idcard)) {
					//success            
					if (bobj) {
						bobj.value = "19" + idcard.substr(6, 2) + "-" + idcard.substr(8, 2) + "-" + idcard.substr(10, 2)
					}
					if (sobj) {
						if (parseInt(idcard.substr(14, 1)) % 2 == 0) {
							sobj.value = '女';
						} else {
							sobj.value = '男';
						}
					}


					return "";
				} else return Errors[2];
				break;
			case 18:
				//18位身份号码检测   
				//出生日期的合法性检查     
				//闰年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))   
				//平年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))   
				if (parseInt(idcard.substr(6, 4)) % 4 == 0 || (parseInt(idcard.substr(6, 4)) % 100 == 0 && parseInt(idcard.substr(
						6, 4)) % 4 == 0)) {
					ereg =
						/^[1-9][0-9]{5}[0-9]{2}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$/; //闰年出生日期的合法性正则表达式   
				} else {
					ereg =
						/^[1-9][0-9]{5}[0-9]{2}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$/; //平年出生日期的合法性正则表达式   
				}
				if (ereg.test(idcard)) { //测试出生日期的合法性   
					//计算校验位   
					S = (parseInt(idcard_array[0]) + parseInt(idcard_array[10])) * 7 +
						(parseInt(idcard_array[1]) + parseInt(idcard_array[11])) * 9 +
						(parseInt(idcard_array[2]) + parseInt(idcard_array[12])) * 10 +
						(parseInt(idcard_array[3]) + parseInt(idcard_array[13])) * 5 +
						(parseInt(idcard_array[4]) + parseInt(idcard_array[14])) * 8 +
						(parseInt(idcard_array[5]) + parseInt(idcard_array[15])) * 4 +
						(parseInt(idcard_array[6]) + parseInt(idcard_array[16])) * 2 +
						parseInt(idcard_array[7]) * 1 +
						parseInt(idcard_array[8]) * 6 +
						parseInt(idcard_array[9]) * 3;
					Y = S % 11;
					M = "F";
					JYM = "10X98765432";
					M = JYM.substr(Y, 1); //判断校验位
					if (M == idcard_array[17]) {

						//success
						if (bobj) {
							bobj.value = idcard.substr(6, 4) + "-" + idcard.substr(10, 2) + "-" + idcard.substr(12, 2)
						}
						if (sobj) {
							if (parseInt(idcard.substr(16, 1)) % 2 == 0) {
								sobj.value = '女';
							} else {
								sobj.value = '男';
							}
						}

						return "";

					} else return Errors[3];
				} else return Errors[2];
				break;
			default:
				return Errors[1];
				break;
		}

	}
}
